add tan function

2020-10-25 16:57:40 +08:00 · 2020-10-25 16:57:40 +08:00 · 69b69b8f2d
commit 69b69b8f2d
parent e396b2321a
1 changed files with 5 additions and 1 deletions
--- a/index.html
+++ b/index.html
@ -33,6 +33,10 @@
  function cos(a) {
    return Math.cos(a)
  }
+
+  function tan(a) {
+    return Math.tan(a);
+  }
 </script>
 </body>
 </html>